@book{14612,
	author = {Duran, Gilbert. and Kaiser, Harold Fred},
	title = {Range management practices: investment costs, 1970},
	publisher = {U.S. Forest Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {1972.},
	series = {Agriculture handbook},
	address = {Washington}
}